Chicago-Latrobe
#21 High Speed Steel Drill Bit, Oxide, 118° point - Chicago-Latrobe 44091
MFR# 44091Series 150
$1.76List $2.26
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes2
Description
The Chicago-Latrobe 44091 is a #21 High Speed Steel drill bit with a Oxide finish, 118° point. Suited for cast iron, steel. 2-5/16 flute length, 3-1/2 overall length. Series 150.
Specifications
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0007 to 0.0000 in
Drill bit finish coatingOxide
Drill bit gradeGeneral Purpose
Drill bit materialHigh Speed Steel
Drill bit size0.1590
Drill bit size range0.1500 - 0.2000
Drill bit size wire#21
Drill point angle degrees118
Flute length in2-5/16
Flute typeSpiral
Number of flutes2
Overall length in3-1/2
Point typeStandard
Primary workpiece materialCast Iron; Steel
Shank diameter0.1590
Shank length1.1250
Shank typeStraight-Cylindrical
Spiral typeRegular
StandardsDIN 338
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned
Can't find your exact tool?Send us a part number — we'll cross-reference it.
Dull tools?Regrinding extends tool life and saves cost.
Alternate & equivalent tools
Matched on diameter, flute count, and material. Need a specific brand or coating? Cross-reference this tool.
Spec-matched alternates load as the catalog fills in. Meanwhile, browse the End Mills collection and filter by diameter, flutes & length of cut.